You can use a GUI-based software to rotate multiple videos at once. Here, I am going to use this free software called XMedia Recode. It is a free video converter and editor software for Windows 10.

So I'm setting up a screen to work on a small ubuntu server I just built. Is there a way to rotate the screen 90'? The screen I'm using is part of a cluster, and is rotated 90' Is it possible to ...